Home / 26,590.68-39,872.88-15,500.16

Finding the Fourth Proportional to 26,590.68, 39,872.88 and 15,500.16

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Solution

The fourth proportional to 26,590.68, 39,872.88 and 15,500.16 is: 23,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,590.68 : 39,872.88 = 15,500.16 : x
  2. Step 2: Convert to fraction form
    26,590.68/39,872.88 = 15,500.16/x
  3. Step 3: Cross multiply
    26,590.68x = 39,872.88 × 15,500.16
  4. Step 4: Simplify right side
    26,590.68x = 618,036,019.66
  5. Step 5: Solve for x
    x = 618,036,019.66/26,590.68
  6. Step 6: Final answer
    x = 23,242.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.